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CO2 storage monitoring

Carina® CarbonSecure™ is a permanently installed, proven distributed sensing-based solution that allows a step change in the reduction of the cost of carbon capture and storage (CCS) monitoring.

With minimal environmental impact, the system provides a reliable continuous or on-demand monitoring solution for all stages of any CO2 carbon storage operation, both offshore and on land. It ensures maximum safety over the various stages of the CCS process, as also long-term monitoring and management of the CO2 storage reservoirs while offering significant cost-savings.

Carina CarbonSecure can be applied at three stages of each project:

  • Site characterization: Assessment of the viability of geological formations for carbon storage
  • Site confirmation and development: Ensuring the integrity of the storage site while the CO2 is being injected
  • 4D integrity monitoring: Ongoing monitoring of the CO2 plume throughout the lifetime of the facility

It does so by delivering actionable information derived from continuous distributed acoustic measurements that enable operators to manage and monitor water dependency and process challenges in compliance with Environmental, Social and Governance (ESG) business sustainability initiatives.



Accurate, long-term or on-demand, resilient monitoring throughout the entire CO2 storage area for the entire mandated period

Step change in monitoring costs reduction

Carina CarbonSecure enables significant cost savings that are normally measured in millions of dollars


The system’s extreme sensitivity enables seismic imaging with minimal source effort on land or with fewer shots in offshore applications. This reduces the environmental impact and overall project costs.

Societal acceptance

As a proven technology with a significant track record throughout the hydrocarbon value chain, Carina CarbonSecure offers the reassurance needed to encourage greater and faster adoption of CCS worldwide.

Key features

High Resolution Subsurface Imaging

Carina® Carbon Secure offers a breakthrough performance by using the Carina® Sensing System, enabled by the precision engineered Constellation™ fibre, to achieve 20 dB or 100x improvement in signal-to-noise ratio (SNR) compared to DAS systems using standard fibers. It is this market-leading performance that enables the system to provide high quality, densely sampled acoustic data.

Extra High Sensitivity

The system’s extreme sensitivity enables seismic imaging with minimal source effort on land or with fewer shots in offshore applications. It also enables cost-effective real-time and/or continuous passive seismic and microseismic monitoring.


Permanent installations ensure high repeatability and continuous data availability without need for intervention.

Full automation

The system can be fully automated, enabling unmanned and remote operations.

Low maintenance

Fibre-optic cables have no mechanical parts and are suitable for corrosive and high temperature environments. They can be installed without maintenance requirements for decades, in line with mandated CCS monitoring periods.

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A proven solution

Silixa has been providing distributed-sensing based monitoring solutions primarily to the energy industry since 2010, demonstating a strong record of success. Many of the in-well and surface iDAS™ , Carina® and DTS applications targeted at the upstream oil and gas industry, such as high-resolution time-lapse 4D seismic and microseismic, are also a natural fit for CCS monitoring.

With deep sector knowledge and a technological advantage ensured by the preformance of the engineered Carina® Sensing System, Silixa is well positioned to pave the way to a decarbonised future by offering a dependable CCS monitoring solution, hence facilitating faster CCS adoption worldwide.


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Verifying safe CO2 storage with VSP surveys at Aquistore, Saskatchewan, Canada

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